How popular is Daviana?

Daviana is a rare given name for females. Daviana is an equally rare surname for both adults and children. (2000 U.S. CENSUS)

Which version is better?

Davida and Davina(#975 FROM RECENT DATA) are the prominent varying forms of Daviana (NOT RANKED). Other forms, like Divina, are uncommon. These relations of Daviana were popular in 2016 (MEDIAN #1487). Davina is the most chic birth name here. (TOP BABY NAMES, 2016)